This NFC 1K card is with FM1108 chip, fully compatible with Mifare Classic S50 chip. Working on 13.56MHz, it is ISO 14443A compliant and widely used in access control system, ID management system, hotel key card, parking lot management and so on.
Working temperature: -20 ℃~50 ℃
Working frequency: 13.56MHz
Communication speed: 106KBPS
Reading and writing distance: within 10mm (related to the reader)
Data Retention: 10 years
Features:
- A memory of 1K bytes, consisting of 16 sectors, with 4 blocks per sector and 16 bytes per block
- Each block can be controlled by the user for write operation conditions.
- Each card has a unique serial number
- Each sector has an independent set of passwords and access controls
- Each card has a unique serial number, which is 32 bits
- No power supply, built-in antenna, containing encrypted control logic and communication logic circuit
Storage structure:
The NFC card is divided into 16 sectors, with 4 blocks per sector (blocks 0-3), totaling 64 blocks, addressed by block number 0-63. The block 0 of sector 0 (i.e. absolute address 0 block) is used to store the vendor code and has been fixed and cannot be changed. Blocks 0, 1, and 2 of other sectors are data blocks used for storing data; Block 3 is a control block that stores password A, access control, andpassword B. Its structure is as follows: password B. Its structure is as follows:
